Factor structure and diagnostic efficiency of the Myanmar version BDI-II among substance users

Table 4 Confirmatory factor analyses

	Model 1: one-factor model	Model 2: two-factor model [7] psychiatric outpatients	Model 3: two-factor model [7] college students	Model 4: three-factor model [21] substance abusers
X ²	623.68	550.94	592.08	518.47
Df	189	188	188	186
RLP	3.29	2.93	3.15	2.79
RMSEA	0.10 (0.09–0.11)	0.09 (0.08–0.10)	0.10 (0.09–0.11)	0.09 (0.08–0.10)
CFI	0.81	0.81	0.83	0.86
ECVI	3.33	3.02	3.20	2.89
p value	< 0.001	< 0.001	< 0.001	< 0.001

RLP relative likelihood ratio (X²/df), RMSEA root mean square error of approximation with 90% confidence interval, CFI Comparative Fit Index, ECVI Expected Cross-validation Index

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